fix Issue 6091 - [d-p-l.org] Description for 'Modifier casting' is mi…

…sleading

expression.dd

@@ -927,13 +927,23 @@ void test() {
 S(v)
 ---
 
-        $(P Casting to a $(GLINK CastQual) adds the qualifier to the type of
+        $(P Casting to a $(GLINK CastQual) replaces the qualifiers to the type of
         the $(GLINK UnaryExpression).)
 
-        $(P Casting to the empty $(LPAREN) $(RPAREN) has the effect of removing
-        any top level $(B const) or $(B immutable) type modifiers from the type
+---
+shared int x;
+assert(is(typeof(cast(const)x) == const int));
+---
+
+        $(P Casting with no $(GLINK Type) or $(GLINK CastQual) removes
+        any top level $(B const), $(B immutable), $(B shared) or $(B inout)
+	type modifiers from the type
         of the $(GLINK UnaryExpression).)
 
+---
+shared int x;
+assert(is(typeof(cast()x) == int));
+---
 
 $(V2
 <h2>Pow Expressions</h2>